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https://issues.apache.org/jira/browse/YARN-9007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tao Yang updated YARN-9007:
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Summary: CS preemption monitor should only select GUARANTEED containers as
candidates for queue/reserved (was: CS preemption monitor should only select
GUARANTEED containers as candidates)
> CS preemption monitor should only select GUARANTEED containers as candidates
> for queue/reserved
> -----------------------------------------------------------------------------------------------
>
> Key: YARN-9007
> URL: https://issues.apache.org/jira/browse/YARN-9007
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 3.2.1
> Reporter: Tao Yang
> Assignee: Tao Yang
> Priority: Major
> Attachments: YARN-9007.001.patch
>
>
> Currently CS preemption monitor doesn't consider execution type of
> containers, so OPPORTUNISTIC containers maybe selected and killed without
> effect.
> In some scenario with OPPORTUNISTIC containers, not even preemption can't
> work properly to balance resources, but also some apps with OPPORTUNISTIC
> containers maybe effected and unable to work.
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